How many transformations are there?
What are the 4 different transformations?
What is the original shape called?
What is the transformed shaped called
What are the 3 pieces of information needed for a rotation?
- Size of rotation (90°)
- Direction ( clockwise or anticlockwise)
- Centre of rotation ( around the point (0,0) )
What are quadrants?
The 4 squares on the grid
Name the 4 quadrants.
1 = + + 2 = - + 3 = - - 4 = + -
What are translations?
means to slide a shape on a grid. The image is identical to the object
A translation vector
What does (4/-2) mean?
Move 4 squares to the right
Move 2 squares to the down
Whats an easy way to remember what the translation vectors mean?
− → +
Whats a scale factor?
How do you enlarge a shape when you have the scale factor?
Height x (scale factor) Length x (scale factor)